Kling 4.0 on Runway Dev, with audio always on. The standing list rate is 15.7 credits/s at 720p and 23.5 at 1080p. A separate 20% promo through 30 November 2026 UTC is not the standing price.
| Field | Value |
|---|---|
| Vendor | Kuaishou |
| Type | Model |
| Categories | Video models and APIs |
| Open source | No |
| License | — |
| GitHub stars | GitHub stars not verified |
| Last release | — |
| Agents | — |
| Max duration | — |
| Resolution | 1080p |
| Native audio | Yes |
| 9:16 | — |
| 720p | $0.157/s |
| 1080p | $0.235/s |
| 4K | — |
| Rate, resolution not stated | — |
| Free tier | — |
| API | Yes |
| Affiliate | No |
| Featured | Yes |
| Sponsored | No |
| Last verified | 2026-11-03 |
Standing list rate from Runway Dev on 2026-11-03, at $0.01 per credit: 15.7 credits/s at 720p ($0.157) and 23.5 credits/s at 1080p ($0.235), for a job with no input video. A temporary 20% promo (12.56 and 18.8 credits/s through 30 November 2026 UTC) is not shown as the price. Input video uses a second formula on the same page.
Price source: https://docs.dev.runwayml.com/guides/pricing/